105624231 has 4 divisors (see below), whose sum is σ = 140832312. Its totient is φ = 70416152.

The previous prime is 105624229. The next prime is 105624251. The reversal of 105624231 is 132426501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105624231 - 2¹ = 105624229 is a prime.

It is a super-2 number, since 2×105624231² = 22312956348682722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105624251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17604036 + ... + 17604041.

It is an arithmetic number, because the mean of its divisors is an integer number (35208078).

Almost surely, 2^105624231 is an apocalyptic number.

105624231 is a deficient number, since it is larger than the sum of its proper divisors (35208081).

105624231 is an equidigital number, since it uses as much as digits as its factorization.

105624231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208080.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 105624231 is about 10277.3649833019. The cubic root of 105624231 is about 472.7024501277.

The spelling of 105624231 in words is "one hundred five million, six hundred twenty-four thousand, two hundred thirty-one".